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    <div>今日家庭作业--类选择器</div>
    <p id="p" >今天的家庭作业是,完成该效果,该段落使用<span>十六进制颜色値</span>进行修饰</p>
    <p>Today's <span class="darkviolet">Homework</span> Is To Complete The Effect</p>
    <p>today's <span class="cornflowerblue">homework</span> is to complete the effect</p>
    <p><span class="fontcolor">完成作业在屏幕中弹幕回复，</span><span class="B">***同学作业已完成</span></p>
    <p>HOMEWORK HAS BEEN FINISHED</p>
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